"Role-play oriented cargo" with an in-game additional perk purpose

[nOmnomnOm]

You guys dont get the reason why it wouldnt be considered unbalanced

-These stuff have to be just 1 specialised crew per ship. Any ship. No more than 1.
-They cannot be too overpowered as some of the things @sasapinjic mentioned. Things need to have a buff but if they are too much then need nerfs to counter
-There cannot be specialized crew for a certain faction or else it all falls apart.
-There cannot be specialized buffs that would be the only buff considered for that ship. There needs to be at least 2-3 to choose from.

The choices of one crew over another is what makes it balanced and workable

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